<HTML><HEAD><TITLE>vs_member(+VS, -X)</TITLE>
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<H1>vs_member(+VS, -X)</H1>
Succeed for each element of a varset
<DL>
<DT><EM>VS</EM></DT>
<DD>A varset
</DD>
<DT><EM>X</EM></DT>
<DD>A variable (output)
</DD>
</DL>
<H2>Description</H2>

	Backtrack over all elements of a varset.
    
<H3>Modes and Determinism</H3><UL>
<LI>vs_member(+, -) is nondet
</UL>
<H2>See Also</H2>
<A HREF="../../lib/tentative/vs_create-2.html">vs_create / 2</A>, <A HREF="../../lib/tentative/vs_element-3.html">vs_element / 3</A>, <A HREF="../../lib/tentative/vs_all-2.html">vs_all / 2</A>, <A HREF="../../lib/tentative/vs_random-2.html">vs_random / 2</A>
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